GMRT 150 MHz follow up of diffuse steep spectrum radio emission in galaxy clusters

Details GMRT 150 MHz follow up of diffuse steep spectrum radio emission in galaxy clusters GMRT 150 MHz follow up of diffuse steep spectrum radio emission in galaxy clusters

2011-02-02

arxiv.org/abs/1102.0465v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures, Proceedings of the conference "Non-thermal phenomena in colliding galaxy clusters" (Nice, 15-18 November 2

Scientific paper

It has been recently found that a few galaxy clusters host diffuse radio halo emission with very steep synchrotron spectra ($\alpha$ > 1.6), which may be classified as Ultra Steep Spectrum Radio Halos (USSRHs). USSRHs are expected in the turbulence re-acceleration model for the origin of cluster radio halos, and are best discovered and studied at low frequencies. We performed GMRT follow up observations of three galaxy clusters at 150MHz, selected from the GMRT radio halo survey, which are known to host an USSRH or candidate very steep spectrum diffuse emission. This project is aimed to characterize the low frequency spectrum of USSRHs for a detailed study of their origin and connection with cluster mergers. We present preliminary results at 150 MHz of the cluster A697.

Affiliated with

Also associated with

No associations

Rating

GMRT 150 MHz follow up of diffuse steep spectrum radio emission in galaxy clusters does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with GMRT 150 MHz follow up of diffuse steep spectrum radio emission in galaxy clusters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and GMRT 150 MHz follow up of diffuse steep spectrum radio emission in galaxy clusters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-81372